Princeton's WordNet

1. wittingly, knowingly(adverb)

   with full knowledge and deliberation

   "he wittingly deleted the references"

Kernerman English Learner's Dictionary

1. knowingly(adverb)ˈnoʊ ɪŋ

   deliberately, with the knowledge that sth is wrong

   He knowingly lied to the police.

2. knowinglyˈnoʊ ɪŋ

   in a way that shows you understand or know sth

   He laughed knowingly.

Wiktionary

1. knowingly(Adverb)

   In the manner of one who knows.

   She smiled knowingly, but kept the secret.

2. knowingly(Adverb)

   With knowledge of all relevant facts.

Webster Dictionary

1. Knowingly(adverb)

   with knowledge; in a knowing manner; intelligently; consciously; deliberately; as, he would not knowingly offend

2. Knowingly(adverb)

   by experience

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